#  author:张靖昆 date:2020/3/6 name:3_函数 IDE:PyCharm
a=1
b=10
c=100
max_num=a

if max_num<b:
    max_num=b
    if max_num<c:
        max_num=c
print(max_num)

def get_max_number(a,b,c):
    max_num=a
    if max_num<b:
        max_num=b
    if max_num<c:
        max_num=c
        return max_num
print(get_max_number(10,50,500))


